1386457716 has 24 divisors (see below), whose sum is σ = 3697220800. Its totient is φ = 396130752.

The previous prime is 1386457703. The next prime is 1386457727. The reversal of 1386457716 is 6177546831.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8252641 + ... + 8252808.

Almost surely, 2^1386457716 is an apocalyptic number.

It is an amenable number.

1386457716 is an abundant number, since it is smaller than the sum of its proper divisors (2310763084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386457716 is a wasteful number, since it uses less digits than its factorization.

1386457716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16505463 (or 16505461 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 1386457716 is about 37235.1677315948. The cubic root of 1386457716 is about 1115.0702003567.

The spelling of 1386457716 in words is "one billion, three hundred eighty-six million, four hundred fifty-seven thousand, seven hundred sixteen".